Op 5/03/2012 22:37, Alan Brown schreef: > On 05/03/12 19:51, Alex Crow wrote: > >> Thanks Alan, >> >> I am specifically addressing the encryption support within Bacula: >> >> http://www.bacula.org/en/dev-manual/main/main/Data_Encryption.html > Openssl compresses _if_ compiled with zlib (it usually is) > > It's not hard to test, write to a file instead of tape media and compare > size vs a tarball. > > If you are using a LTO device with built-in encryption then it's much > faster as there is a dedicated engine for the task (LTO encryption is > portable across drives as long as the key is retained) Except for the fact that bacula doesn't support hardware LTO encryption... > On that basis I'd only use bacula encryption for disk-based backups or > on tape devices without builtin encyption. Regards, Jeremy
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